Answer: Let me help you, its affects the Ecosystem because it basically heats the planet up. It causes the balance of air to shift and become extremly warm.
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The best way to determine if these populations form part of the same species is to study the existence of reproductive isolation between populations. Moreover, the result of an experiment based on the study of reproductive barriers may be complemented with molecular biology approaches that determine the level of sequence homology between populations
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In my personal opinion, yes, this is a pretty typical behavior of human beings. I'd say it's naturalistic in a way.